General bacterial porin family. General bacterial porins are a family of proteins from the outer membranes of Gram-negative bacteria. The porins act as molecular filters for hydrophilic compounds.[1] They are responsible for the 'molecular sieve' properties of the outer membrane.
About the CFR. The Code of Federal Regulations (CFR) is an annual codification of the general and permanent rules published in the Federal Register by the executive departments and agencies of the Federal Government.
Community First Responder (CFR) volunteers are trained to attend emergency calls received by the ambulance service and provide care until the ambulance arrives. Volunteers can arrive at an emergency scene in a matter of minutes, as they are sent to calls in their local area.